Geoscience Reference
In-Depth Information
Table 11.1
(
Continued
)
Modulus type
Definition
Strain
Comment
Reload
Slope of reload line
High
Following unloading the reload line takes a
modulus
different stress path to the unload line. Usually
convex in shape. Also resilient modulus.
Cyclic
Average slope of
High
Strain hardening can occur with increased
modulus
unload/reload line
number of cycles.
Equivalent
A combination of various
Various
A weighted average approach is usually adopted.
modulus
layers into on modulus
Figure 11.1
Stress strain curve showing various modulus definitions.
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